## Pylons DB Admin
## Copyright (C) 2004-2009  Ken Kinder
##
## This program is free software: you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with this program.  If not, see <http://www.gnu.org/licenses/>.

"""SQLAlchemy Metadata and Session object"""
from sqlalchemy import MetaData
from sqlalchemy.orm import scoped_session, sessionmaker

class DatabaseInstance(object):
    def __init__(self):
        self.engine = None
        self.session = scoped_session(sessionmaker(autocommit=True, autoflush=True))
        self.metadata = MetaData()

instances = {}
